<!-- HTML结构 --><div id="test-jsonp"></div><button onclick="getPrice()">刷新</button><script>    'use strict';    function refreshPrice(data) {        var p =document.getElementById("test-jsonp");        p.innerHTML = '当前价格:'+                        data['0000001'].name +':'+                        data['0000001'].price + ':' +                        data['1399001'].name + ':' +                        data['1399001'].price + ':';    }    function getPrice() {        var js = document.createElement('script');        var head = document.getElementsByTagName('head')[0];        console.log(head);        js.src='http://api.money.126.net/data/feed/0000001,1399001?callback=refreshPrice';        head.appendChild(js);    }</script>